40303627

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:228

約数の個数: 36

約数和(自身を含む): 52739136

約数和(自身を除く): 12435509

約数列:

[1, 7, 13, 31, 49, 91, 157, 169, 217, 403, 637, 1099, 1183, 1519, 2041, 2821, 4867, 5239, 7693, 8281, 14287, 19747, 26533, 34069, 36673, 63271, 100009, 185731, 238483, 256711, 442897, 822523, 1300117, 3100279, 5757661, 40303627]

約数ペア:

[(1, 40303627), (7, 5757661), (13, 3100279), (31, 1300117), (49, 822523), (91, 442897), (157, 256711), (169, 238483), (217, 185731), (403, 100009), (637, 63271), (1099, 36673), (1183, 34069), (1519, 26533), (2041, 19747), (2821, 14287), (4867, 8281), (5239, 7693)]